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Percentage of Smoke-Free

Homes and Percentage of High School Students Who Smoke (Example 7) The figure shows a scatterplot with the regression line. The data are for the 50 states.

The predictor is the percentage of smoke-free homes. The response is the percentage of high school students who smoke. The data came from the Centers for Disease Control and Prevention (CDC).

a. Explain what the trend shows.

b. Use the regression equation to predict the percentage of students in high school who smoke, assuming that there are 70% smoke-free homes in the state. Use 70 not 0.70.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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